Steam-motor



(No Model.)

`STEAM MOTOR.

. Patented Nov. 15,1881.4

vilt Il# l INVENTOR Samuel W'Eudson,

IWITJVESSES a 'JM/w,

eys

` UNITED STATES PATENT OFFICE.

SAMUEL W. HUDSON, F HUDSONDALE, PENNSYLVANIA.

STEAM-MOTO R.

SPECIFICATION forming part of Letters lPatent No. 249,527, dated November I5, 1881.

v Application filed August 25, 1881. (No model.)

To all whom it may concern: Be it known that I, SAMUEL W. HUDSON, of Hudsondale, Carbon county, Pennsylvania,

have invented certain new and useful Improvements in Steam-Motors, of which the following is a specification, reference being had to the accompanying drawing, which is a verticalcentrai section through my apparatus.

My invention consists in certain improvements, hereinafter to be designated, in steamengines of the class which operate continuously in one direction by means of the pressure of steam upon a series of piston-heads carried by an endless chain.

The cylinders A B are connected at the top by the dome or chamber C, and their lower ends are submerged in the Water-tank D. An endless chain, E, passes through the cylinders and over pulleys c and d, mounted respectively in the chamber C and tank D, and 'carries any suitable number of piston-heads c. These piston-heads snugly it the smallerportions of the cylinders A B as an ordinary reciprocating piston iits itscylinder. A pipe, F, connects with the smaller portions of the cylinders by openingsff. By means of a cock, G, either one ot' the cylinders may be thrown into t communication with the pipe F andthe other one cut oft', as shown in the drawing. Asimilar cock, H, controls the openings h h', which connect the cylinder with the pipe I just at the top of the enlarged portions ot the cylinders. J K are exhaust-valves placed abovethe openissff- The operation of the apparatusis as follows: When steam is admitted from the pipe I into the cylinder B it will drive the pistons with a continuous motion up the cylinder. As thc pistons move up and around, the steam will ex haust through the `valves J and K. At the opening f a jet of cold water is admitted from the pipe F, and makes the vacuum more perfect by condensing any steam which may be carried thus far by the piston-heads. The exhaust-valve J might be dispensedwith and the cold water relied upon to condense the steam.

' Thus it will be seen that the piston-heads will be continuously driven in one direction by the steam, and that the power of the steam willbe assisted or supplemented by the vacuum in the opposite cylinder. A head of water suffi cient to act by its weight on the piston-heads might be admitted at-f, and thus still further increase the power of tl1emacl1ine. The head of water would, however, have to be carefully regulated, in order not to crowd or back up in th'e cylinder and interfere with the movement ofthe pistons. Ihemovementof the machine may be reversed by reversing the positions of the cocks G and H. The power of the inachine can be applied from the shaft o f the sprocket c by suitable gearing. The pressure of the steam willforce the level ot' the water in the cylinder B down, while the vacuum in thc cylinder A will canse the water to risc therein. The cylinders will therefore have to be submerged to a depth to suit the pressure ot' the steam, so that the water will not be blown out 4 ofthe cylinder B or rise too high in A, as will be well understood.

Having thus described my invention, what I claim is l. The combination of the partly-submerged cylinders A--and `B, having the exhaust-valves J and K and steam-inlet It', the sprockets, chain, and piston-heads, substantially as set forth.

2. The combination of the partlysub1nerged cylinders A and B, the exhaust-valves J and K, the s1')rockets, chain, and pistonheads, the

steam inlet orinlcts,theircontrolling-eock,the water inlet or inlets, and their controlling-cock, substantially as set forth. Y

In testimony whereof I have hereunto subscribed my name.

SAMUEL W. HUDSON. 

